On C.o.D. Black Ops: yes you can. In combat training, likewise because that's all I ever play. Going to eventually try Zombies and campaign, but yes. If you play Combat Training, Free for All or Team Deathmatch, as long as you get the killstreak for attack dogs you can use it. Hope this helps. :)
You can not get unlimited ammo
There is no unlimited ammo in Black Ops.
yes
you cant dumb as!!
Unlimited
The rounds are unlimited
That is cheating, and we don't encourage that.
Really, the only way is to hack.
Yes...But only through hacking or modding.
well,you need the hack for unlimited ammo,i guess.
there's no way unless u hack
You don't